Deductions & credits

If you are a New York State nonresident you must file Form IT-203, Nonresident and Part-Year Resident Income Tax Return, if you meet any of the following conditions:

• You are a nonresident with New York source income and your New York adjusted gross income Federal amount column (Form IT-203, line 31) exceeds your New York standard deduction.
• You want to claim a refund of any New York State, New York City, or Yonkers income taxes withheld from your pay.
• You want to claim any of the refundable or carryover credits available.
• You had a net operating loss for New York State personal income tax purposes for the tax year, without having a similar net operating loss for federal income tax purposes.

If you Need to file NY non-resident return

• You want to do is make sure you've filled out the About me or Personal Info section correctly.
• Only report the income attributable to the nonresident state.
• If preparing a nonresident return solely to recover erroneous tax withholdings, enter 0 on the screen that asks for the amount of income earned in that state.

For more information check: How do I file a nonresident state return?